It's not quite the Lawmaster. But Jason Kingsley, CEO of Rebellion, publishers of 2000AD and Judge Dredd Megazine appeared in this promo video for Jeep.
By talking about his love for jousting. Dressed as a knight in shining armour. Riding on a horse. Hitting other people doing the same. Because apparently, jousting is a very much like being in business.
Either that, or very much making love to a beautiful woman.